Home / 19,075.50-28,579.89-13,235.82

Finding the Fourth Proportional to 19,075.50, 28,579.89 and 13,235.82

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Solution

The fourth proportional to 19,075.50, 28,579.89 and 13,235.82 is: 19,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,075.50 : 28,579.89 = 13,235.82 : x
  2. Step 2: Convert to fraction form
    19,075.50/28,579.89 = 13,235.82/x
  3. Step 3: Cross multiply
    19,075.50x = 28,579.89 × 13,235.82
  4. Step 4: Simplify right side
    19,075.50x = 378,278,279.66
  5. Step 5: Solve for x
    x = 378,278,279.66/19,075.50
  6. Step 6: Final answer
    x = 19,830.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.